package cn.tedu.straw.commons.util;

import lombok.Data;
import lombok.experimental.Accessors;

import java.io.Serializable;

@Data
@Accessors(chain = true)
public class R<T> implements Serializable {

    private Integer state;
    private String message;
    private T data;

    public static R ok() {
        return new R().setState(State.OK);
    }

    public static <T> R<T> ok(T data) {
        return R.ok().setData(data);
    }

    public static R failure(Integer state, String message) {
        return new R().setState(state).setMessage(message);
    }

    public static R failure(Integer state, Throwable e) {
        return failure(state, e.getMessage());
    }

    public interface State {
        Integer OK = 2000;
        Integer ERR_INVITE_CODE = 4000;
        Integer ERR_CLASS_DISABLED = 4010;
        Integer ERR_PHONE_DUPLICATE = 4020;
        Integer ERR_INSERT = 4030;
        Integer ERR_INVALID_PARAMETER = 4040;
        Integer ERR_FILE_EMPTY = 4050;
        Integer ERR_FILE_SIZE = 4060;
        Integer ERR_FILE_TYPE = 4070;
        Integer ERR_FILE_STATE = 4080;
        Integer ERR_FILE_UPLOAD_IO = 4090;
        Integer ERR_QUESTION_NOT_FOUND = 4100;
        Integer ERR_ANSWER_NOT_FOUND = 4110;
    }

}
